EP2400763A2 - Procédé de codage vidéo pour le codage d'un bloc de division, procédé de décodage vidéo pour le décodage d'un bloc de division, et moyen d'enregistrement aux fins d'application desdits procédés - Google Patents

Procédé de codage vidéo pour le codage d'un bloc de division, procédé de décodage vidéo pour le décodage d'un bloc de division, et moyen d'enregistrement aux fins d'application desdits procédés Download PDF

Info

Publication number
EP2400763A2
EP2400763A2 EP10743990A EP10743990A EP2400763A2 EP 2400763 A2 EP2400763 A2 EP 2400763A2 EP 10743990 A EP10743990 A EP 10743990A EP 10743990 A EP10743990 A EP 10743990A EP 2400763 A2 EP2400763 A2 EP 2400763A2
Authority
EP
European Patent Office
Prior art keywords
block
encoding
sub
blocks
square
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP10743990A
Other languages
German (de)
English (en)
Other versions
EP2400763A4 (fr
Inventor
Mun Churl Kim
Bum Shik Lee
Jae Il Kim
Chang Seob Park
Sang Jin Hahm
In Joon Cho
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Korea Advanced Institute of Science and Technology KAIST
Korean Broadcasting System Corp
Original Assignee
Korea Advanced Institute of Science and Technology KAIST
Korean Broadcasting System Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=43003799&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2400763(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Korea Advanced Institute of Science and Technology KAIST, Korean Broadcasting System Corp filed Critical Korea Advanced Institute of Science and Technology KAIST
Priority to EP20212253.7A priority Critical patent/EP3823281A1/fr
Publication of EP2400763A2 publication Critical patent/EP2400763A2/fr
Publication of EP2400763A4 publication Critical patent/EP2400763A4/fr
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
    • H04N19/86—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression involving reduction of coding artifacts, e.g. of blockiness
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/117—Filters, e.g. for pre-processing or post-processing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H04N19/122—Selection of transform size, e.g. 8x8 or 2x4x8 DCT; Selection of sub-band transforms of varying structure or type
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/124—Quantisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/136—Incoming video signal characteristics or properties
    • H04N19/14—Coding unit complexity, e.g. amount of activity or edge presence estimation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/80—Details of filtering operations specially adapted for video compression, e.g. for pixel interpolation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/172—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a picture, frame or field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/174—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a slice, e.g. a line of blocks or a group of blocks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/182—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a pixel

Definitions

  • the present invention relates to video encoding and decoding methods capable of dividing an input picture into coding block units and encoding and decoding partitioned coding unit blocks by using intra and inter prediction encoding, and more particularly to video encoding and decoding methods of encoding and decoding partitioned coding unit blocks through inter and intra predictions in video encoding that can improve encoding efficiency and further improve encoding efficiency by encoding a block video signal by use of square transforms or non-square transforms according to the sizes of the partitioned coding unit block.
  • ISO/IEC International Organization for Standardization/International Electrotechnical Commission
  • ISO/IEC 14496-10 (Moving Picture Experts Group (MPEG)-4 Part 10 Advanced Video Coding) or H.264, which is video compression/encoding technology jointly standardized in ISO/IEC and International Telecommunication Union-Telecommunication Standardization (ITU-T), an ISO/IEC 14496-10 Amendment 3 (MPEG-4 Scalable Video Coding) standard, a video codec-1 (VC-1), which is an Society of Motion Picture and Television Engineers (SMPTE) standard, an audio video coding standard (AVS), and the like have achieved significant advance in terms of video data compression efficiency.
  • ISO/IEC International Organization for Standardization/International Electrotechnical Commission
  • MPEG-4 Part 10 Advanced Video Coding or H.264
  • MPEG-4 Scalable Video Coding MPEG-4 Scalable Video Coding
  • VC-1 video codec-1
  • SMPTE Society of Motion Picture and Television Engineers
  • AVS audio video coding standard
  • Fig. 1 is a diagram showing seven types of motion prediction block partitions used in H.264 as partitioned block types of 16 ⁇ 16 macroblock unit blocks to be encoded in an H.264/advanced video coding (AVC) encoder of the related art.
  • AVC advanced video coding
  • an encoding process is generally performed by dividing an input video into macroblock units having a size of 16 ⁇ 16.
  • prediction encoding is performed by dividing a macroblock into seven types of sub-blocks as shown in Fig. 1 and finally selecting a block for minimizing the rate-distortion cost.
  • the macroblock When intra encoding of sub-blocks into which a 16 ⁇ 96 macroblock to be encoded is divided is performed, the macroblock is subjected to intra prediction encoding in a size of one 16 ⁇ 16 pixel unit. Alternatively, after the macroblock is divided into sub-blocks, intra prediction encoding of four 8 ⁇ 8 blocks or sixteen 4 ⁇ 4 blocks is performed.
  • the above-described intra prediction encoding technique is efficient in terms of the reduction in the number of various block modes in low definition video encoding, but has a problem in high definition (HD) or ultra high definition (UHD) video encoding. That is, in the case of a super-macroblock having a size of 32 ⁇ 32 or more to which a 16 ⁇ 16 macroblock as an encoding unit block is extended, encoding efficiency is degraded if all partitioned block modes within the super-macroblock are applied to the same intra prediction based on a 16 ⁇ 16, 8 ⁇ 8, or 4 ⁇ 4 block as in the existing method.
  • HD high definition
  • UHD ultra high definition
  • all partitioned blocks are encoded by only intra or inter prediction encoding in a prediction encoding method based on partitioned blocks in the related art. That is, only one of the intra prediction encoding and the inter prediction encoding is selected and applied to a partitioned block without applying both the intra prediction encoding and the inter prediction encoding to the partitioned block.
  • the present invention has been made to solve the above-described problem, and an object of the invention is to provide a more effective prediction encoding method that performs an encoding process by extending a method of selecting intra or inter prediction encoding for partitioned coding blocks of each coding unit block during video encoding so that both intra and inter prediction encoding modes can be selected and selectively applying a square or non-square transform kernel to a residual signal according to a block size after motion compensation of the divided block.
  • Another objective of the present invention is to provide a computer-readable recording medium for implementing the method.
  • a video encoding method including: dividing each input picture into coding unit (CU) blocks; dividing each CU blocks into sub-coding unit (sub-CU) blocks; and encoding each CU block or its sub-CU blocks by selectively using at least one of intra prediction encoding and inter prediction encoding within the CU block.
  • the video encoding method may further include: transforming residual signals through the encoding unit blocks and the sub-CU blocks by selectively applying a variable block-size transform kernel according to a block size; quantizing the transformed residual signals; and entropy-encoding results of quantization.
  • the residual signals through the sub-CU blocks may be encoded by selectively applying one or more de-blocking filters according to the block size and an encoding type.
  • a size of the encoding unit block may be a square having an N*N size, and the encoding unit block may be divided into one or more square or non-square sub-blocks having any size.
  • the sub-blocks in each CU block may be encoded by selecting one of intra prediction encoding methods.
  • the entropy encoding may be performed by scanning a quantized transform coefficient selected according to a block size.
  • the square sub-blocks in each CU block may be transformed by applying a square transform kernel.
  • a square transform kernel having a size of the smaller or same number of pixels may be applied by comparing the number of horizontal pixels of the square sub-block with the number of vertical pixels.
  • the non-square sub-blocks in each CU block may be transformed by applying a non-square transform kernel.
  • a non-square transform kernel having a size of the smaller or same number of pixels may be applied by comparing the number of horizontal pixels of the non-square sub-block with the number of vertical pixels.
  • a method of encoding a division block in video encoding including: (a) inputting a picture to be encoded; (b) dividing the input picture into CU blocks; (c) dividing each input CU block into sub-CU blocks; (d) performing intra prediction encoding and inter prediction encoding of the CU block or their sub-CU blocks and selecting one block type for the encoding CU block or their sub-CU blocks; and (e) performing intra prediction encoding and/or inter prediction encoding of the encoding CU block and their sub-CU blocks by use of a prediction result of the block types.
  • a method of encoding a division block in video encoding including: (a') inputting a picture to be encoded; (b') dividing the input picture into encoding CU blocks; (c') determining whether to perform inter prediction encoding of a current CU block; (d') initializing an index of a sub-CU block of an encoding CU block to be encoded in the input picture if the current input picture corresponds to inter prediction; (e') selecting a block mode of the encoding CU block to be encoded; (f') determining whether to perform both intra and inter prediction encoding for the selected block mode; (g') performing the intra and inter prediction encoding of the selected block mode if it is determined to perform both the intra and inter prediction encoding for the selected block mode; (h') storing a prediction encoding result and a rate-distortion cost value of step (g'); (i') if the selected block mode is
  • the method may further include: after step (c'), performing the intra prediction encoding if the current input picture does not correspond to the inter prediction.
  • the method may further include: after step (f'), performing the inter prediction encoding of the selected block mode if it is not determined to perform both the intra and inter prediction encoding of the selected block mode.
  • the method may further include: after step (g'), obtaining a residual signal through motion prediction and compensation if the inter prediction encoding of the selected block mode is performed; transforming the selected block by use of the residual signal; quantizing the transformed selected block; and entropy-encoding a result of quantization.
  • the method may further include: after step (g'), obtaining a residual signal through the intra prediction encoding if the intra prediction encoding of the selected block mode is performed; transforming the selected block by use of the residual signal; quantizing the transformed selected block; and entropy-encoding a result of quantization.
  • the method may further include: performing a transform by selectively applying a transform kernel according to a block size when the selected block is transformed using the residual signal.
  • a method of decoding a division block in video decoding comprising: (A) inputting a bitstream to be decoded; (B) determining whether the input bitstream corresponds to inter prediction; (C) performing intra prediction encoding if the input bitstream is subjected to intra prediction encoding; (D) parsing a slice if the input bitstream corresponds to the inter prediction; (E) parsing a unit encoding block within the slice; (F) decoding an encoding mode of a unit encoding sub-division block; (G) parsing whether a sub-division encoding block is an inter prediction encoding block; (H) performing inter prediction decoding if the sub-division encoding block corresponds to the inter prediction; (I) performing intra prediction decoding if the sub-division encoding block corresponds to intra prediction; (J) configuring unit decoding block pixels from sub-division decoding results; (K)
  • Step (C) may further include: if the CU block is a super-macroblock having the same or greater size than a 16 ⁇ 16 macroblock, performing intra prediction decoding by decoding the CU block's or its sub-CU blocks' encoding modes corresponding to the sizes of the CU block.
  • Step (C) may further include: performing intra prediction decoding by applying a de-blocking filter corresponding to a size of the CU block or to sizes of its sub-CU blocks.
  • Step (C) may further include the step of: performing intra prediction decoding by applying a de-blocking filter according to a size of the CU block or to sizes of its sub-CU block.
  • Step (F) may further include: if the CU block is a super-macroblock having the same or greater size than a 16 ⁇ 16 macroblock, decoding the CU block or its sub-CU block encoding modes corresponding to the size of the CU block or to sizes of its sub-CU blocks.
  • Step (H) may further include: performing intra prediction decoding by applying square or non-square transform corresponding to a size of the CU block or to sizes of its sub-CU blocks and decoding encoded quantized transform coefficients.
  • Step (H) may further include: performing intra prediction decoding by applying an inverse quantization method according to a size of the CU block or to sizes of its sub-CU blocks and decoding modes of the neighboring decoding block and decoding an encoded quantized transform coefficient.
  • Step (H) may further include: performing inter prediction decoding by applying a de-blocking filter corresponding to a size of the CU block or to sizes of its sub-CU blocks.
  • a computer-readable recording medium storing a program for causing a computer to execute the above-described method.
  • the CU blocks or their partitioned CU blocks can be encoded either in an intra prediction encoding mode or in inter prediction encoding mode by applying at least one of intra prediction encoding and inter prediction encoding to the CU blocks or their sub-CU blocks, and prediction encoding is performed using both intra and inter predictions for each encoding CU block or its sub-CU blocks, so that the flexibility of encoding mode selection can be increased and the efficiency of encoding can be increased.
  • each CU or sub-CU block is encoded by selectively applying a size of a variable block-size transform kernel according to a size of the CU block or sub-CU block so that both the intra and inter predictions can be applied to sub-CU blocks within each CU block. Therefore, it is possible to significantly improve encoding efficiency.
  • Fig. 2 is a diagram showing super-macroblock unit blocks and division block types for intra or inter prediction encoding in an encoder according to an example embodiment of the present invention.
  • Fig. 2 is a diagram showing an example of super-macroblocks, which have larger sizes than a macroblock of a 16 ⁇ 16 pixel unit, and block division types applied to an example embodiment of the present invention.
  • a process of dividing a super-macroblock into sub-blocks and intra or inter prediction encoding the division blocks is performed, and the super-macroblock is encoded so that both intra and inter prediction encoding modes can be used as a final encoding mode. Therefore, it is possible to very effectively increase video encoding efficiency.
  • QP , ⁇ MODE SSD s , r , MODE
  • J MODE denotes a rate-distortion function for a block encoding mode
  • s denotes an original block pixel input to be encoded
  • r denotes a reference video pixel input
  • QP denotes a quantization parameter
  • MODE denotes a division block mode type.
  • transform encoding is applied to a residual signal of a super-macroblock having an increased size
  • Equation 2 AX
  • X denotes an N ⁇ N input video signal matrix
  • A denotes an N ⁇ N square transform kernel matrix
  • a 1 denotes an M ⁇ M square transform kernel matrix
  • a 2 denotes an (M/2) ⁇ (M/2) square transform kernel matrix
  • Y denotes a transform coefficient matrix
  • a square or non-square kernel transform When a square or non-square kernel transform is applied according to an example embodiment of the present invention, it is preferable to perform transform encoding by performing a comparison with the smaller number of pixels between the number of horizontal pixels and the number of vertical pixels of a division block and applying a kernel having a size that is equal to or less than the smaller number of pixels.
  • Fig. 3 is a flowchart illustrating a method for encoding a division block in video encoding according to an example embodiment of the present invention.
  • the picture i is input in sequence for encoding (S102).
  • the input picture i is divided into encoding unit blocks (S103).
  • the encoding unit block may be a macroblock or super-macroblock.
  • the unit block j to be encoded is divided into sub-blocks (S107).
  • One of sub-block modes k is selected (S109).
  • sub-block mode k is a final block node (S114). If the sub-block mode k is not the final block mode, steps S109 to S113 are iterated for the next block mode. On the other hand, if the sub-block mode k is the final block mode, an optimum division block is determined and corresponding encoding results are finally selected (S115).
  • step S116 If it is determined in step S116 that the current encoding unit block j is the final block in the current picture i, it is checked whether the current picture i is a final picture (S117). If the current picture i is the final picture, the algorithm ends. Otherwise, the algorithm returns to step S102, the next picture is input, and steps S102 to S116 are iterated.
  • Fig. 4 is a flowchart illustrating a method of decoding a bitstream encoded in a video division block mode according to an example embodiment of the present invention.
  • An encoded picture bitstream i is input in sequence for decoding (S202).
  • slice information regarding the input picture bitstream is analyzed (S205).
  • the decoding unit block may be a macroblock or a super-macroblock.
  • pixel values of the sub-division block are recovered using sub-block encoding results (S214). After it is checked whether a current sub-division block m is the final block (S215), pixel values of a unit decoding block are configured if the current sub-division block m is the final block (S216). Otherwise, the algorithm returns to step S210 for decoding the next division sub-block, and steps S210 to S214 are performed.
  • a current unit encoding block k is a final unit encoding block (S217)
  • slice pixels are configured if the current unit encoding block k is the final unit encoding block (S218). Otherwise, the algorithm returns to step S208, and steps S208 to S216 are performed.
  • a current slice j is a final slice (S219)
  • picture pixels are configured if the current slice j is the final slice (S220). Otherwise, steps S205 to S218 are performed.
  • it is determined whether a current picture i is a final picture (S221)
  • the algorithm ends if the current picture i is the final picture. Otherwise, the algorithm returns to step S202, the next bitstream is input, and steps S202 to S220 are performed.
  • an input video is divided into encoding unit blocks. After the encoding unit block is sub-divided into sub-blocks, each sub-division block is encoded by selectively using at least one of intra prediction and inter prediction.
  • encoding can be performed using both inter and intra prediction sub-block modes in an encoding mode of an encoding unit block and simultaneously a variable block-size transform kernel is selectively applied, so that encoding efficiency can be improved.
  • the above-described method of encoding a division block in video encoding can be implemented as computer-readable codes on a computer-readable recording medium.
  • the computer-readable recording medium includes all types of recording devices storing data readable by a computer system.
  • Examples of the computer-readable recording medium include a read only memory (ROM), a random access memory (RAM), a compact disk-read only memory (CD-ROM), a magnetic tape, a hard disk, a floppy disk, a mobile storage, a flash memory, an optical data storage, etc.
  • the computer-readable recording medium may be implemented in the form of carrier waves (e.g., transmission over the Internet).
  • the computer-readable recording medium is distributed to computer systems connected to each other through a computer communication network, so that the computer-readable codes can be stored in a distribution manner and executed thereby.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
EP10743990.3A 2009-02-23 2010-02-23 Procédé de codage vidéo pour le codage d'un bloc de division, procédé de décodage vidéo pour le décodage d'un bloc de division, et moyen d'enregistrement aux fins d'application desdits procédés Pending EP2400763A4 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20212253.7A EP3823281A1 (fr) 2009-02-23 2010-02-23 Procédé de codage vidéo pour le codage d'un bloc de division, procédé de décodage vidéo pour le décodage d'un bloc de division et moyen d'enregistrement aux fins d'application desdits procédés

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20090015013 2009-02-23
KR1020090076753A KR20100095992A (ko) 2009-02-23 2009-08-19 비디오 부호화에서의 분할 블록 부호화 방법, 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
PCT/KR2010/001125 WO2010095915A2 (fr) 2009-02-23 2010-02-23 Procédé de codage vidéo pour le codage d'un bloc de division, procédé de décodage vidéo pour le décodage d'un bloc de division, et moyen d'enregistrement aux fins d'application desdits procédés

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP20212253.7A Division EP3823281A1 (fr) 2009-02-23 2010-02-23 Procédé de codage vidéo pour le codage d'un bloc de division, procédé de décodage vidéo pour le décodage d'un bloc de division et moyen d'enregistrement aux fins d'application desdits procédés

Publications (2)

Publication Number Publication Date
EP2400763A2 true EP2400763A2 (fr) 2011-12-28
EP2400763A4 EP2400763A4 (fr) 2015-12-16

Family

ID=43003799

Family Applications (2)

Application Number Title Priority Date Filing Date
EP10743990.3A Pending EP2400763A4 (fr) 2009-02-23 2010-02-23 Procédé de codage vidéo pour le codage d'un bloc de division, procédé de décodage vidéo pour le décodage d'un bloc de division, et moyen d'enregistrement aux fins d'application desdits procédés
EP20212253.7A Pending EP3823281A1 (fr) 2009-02-23 2010-02-23 Procédé de codage vidéo pour le codage d'un bloc de division, procédé de décodage vidéo pour le décodage d'un bloc de division et moyen d'enregistrement aux fins d'application desdits procédés

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP20212253.7A Pending EP3823281A1 (fr) 2009-02-23 2010-02-23 Procédé de codage vidéo pour le codage d'un bloc de division, procédé de décodage vidéo pour le décodage d'un bloc de division et moyen d'enregistrement aux fins d'application desdits procédés

Country Status (6)

Country Link
US (10) US9485512B2 (fr)
EP (2) EP2400763A4 (fr)
JP (10) JP6164600B2 (fr)
KR (1) KR20100095992A (fr)
CN (6) CN102369733B (fr)
WO (1) WO2010095915A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170310973A1 (en) * 2016-04-26 2017-10-26 Google Inc. Hybrid prediction modes for video coding
US10237551B2 (en) 2010-09-30 2019-03-19 Mitsubishi Electric Corporation Moving image encoding device, moving image decoding device, moving image coding method, and moving image decoding method
EP3429203A3 (fr) * 2012-10-01 2019-04-17 GE Video Compression, LLC Codage vidéo échellonable utilisant le codage à base de sous-blocs de blocs de coefficient de transformée dans la couche d'amélioration

Families Citing this family (56)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100095992A (ko) * 2009-02-23 2010-09-01 한국과학기술원 비디오 부호화에서의 분할 블록 부호화 방법, 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
US9635368B2 (en) * 2009-06-07 2017-04-25 Lg Electronics Inc. Method and apparatus for decoding a video signal
BR112012025407B1 (pt) 2010-04-13 2022-03-22 Samsung Electronics Co, Ltd Método de decodificação de vídeo baseado em unidades de codificação determinadas de acordo com uma estrutura de árvore
KR20110123651A (ko) 2010-05-07 2011-11-15 한국전자통신연구원 생략 부호화를 이용한 영상 부호화 및 복호화 장치 및 그 방법
US8625888B2 (en) * 2010-07-21 2014-01-07 Microsoft Corporation Variable kernel size image matting
US10863196B2 (en) * 2010-09-27 2020-12-08 Lg Electronics Inc. Method for partitioning block and decoding device
CN102857762B (zh) * 2011-07-01 2016-03-30 华为技术有限公司 一种解码过程中块索引信息的获取方法及装置
EP2745519B1 (fr) * 2011-08-17 2017-09-27 MediaTek Singapore Pte Ltd. Procédé et appareil de prédiction intra utilisant des blocs non carrés
GB2556489B (en) 2011-11-08 2018-11-21 Kt Corp A method of decoding a video signal using a merge mode
WO2013077713A1 (fr) * 2011-11-27 2013-05-30 엘지전자 주식회사 Procédé de réalignement de coefficient de transformée et dispositif utilisant celui-ci
US20130136180A1 (en) * 2011-11-29 2013-05-30 Futurewei Technologies, Inc. Unified Partitioning Structures and Signaling Methods for High Efficiency Video Coding
TWI600315B (zh) * 2011-12-28 2017-09-21 Jvc Kenwood Corp 動態影像解碼裝置、動態影像解碼方法及記錄有動態影像解碼程式的記錄媒體
WO2013145021A1 (fr) * 2012-03-30 2013-10-03 株式会社日立製作所 Procédé de décodage d'images et appareil de décodage d'images
US9344723B2 (en) * 2012-04-13 2016-05-17 Qualcomm Incorporated Beta offset control for deblocking filters in video coding
JP5900612B2 (ja) * 2012-05-15 2016-04-06 ソニー株式会社 画像処理装置及び画像処理方法
RU2619199C1 (ru) * 2012-11-08 2017-05-12 Кт Корпорейшен Способ декодирования видеосигнала
RU2623905C1 (ru) * 2012-11-08 2017-06-29 Кт Корпорейшен Способ декодирования видеосигнала
EP2920962A4 (fr) 2012-11-13 2016-07-20 Intel Corp Codage par transformation adaptative de contenu pour une vidéo de prochaine génération
EP2952003B1 (fr) 2013-01-30 2019-07-17 Intel Corporation Partitionnement adaptatif de contenu pour une prédiction et un codage pour une vidéo de prochaine génération
CN103596003B (zh) * 2013-11-11 2015-05-06 中国科学技术大学 高性能视频编码的帧间预测快速模式选择方法
TWI536811B (zh) 2013-12-27 2016-06-01 財團法人工業技術研究院 影像處理方法與系統、解碼方法、編碼器與解碼器
US9715559B2 (en) * 2014-03-17 2017-07-25 Qualcomm Incorporated Hash-based encoder search for intra block copy
KR102445242B1 (ko) 2014-03-19 2022-09-21 삼성전자주식회사 경계 필터링을 수반한 비디오 부호화 및 비디오 복호화 방법 및 장치
WO2016090568A1 (fr) * 2014-12-10 2016-06-16 Mediatek Singapore Pte. Ltd. Structure de partitionnement de bloc d'arbre binaire
US10382795B2 (en) 2014-12-10 2019-08-13 Mediatek Singapore Pte. Ltd. Method of video coding using binary tree block partitioning
US10136132B2 (en) * 2015-07-21 2018-11-20 Microsoft Technology Licensing, Llc Adaptive skip or zero block detection combined with transform size decision
US10491906B2 (en) * 2015-11-05 2019-11-26 Mediatek Inc. Method and apparatus for block prediction using variable block-size in image compression
US10390026B2 (en) * 2016-03-25 2019-08-20 Google Llc Smart reordering in recursive block partitioning for advanced intra prediction in video coding
CN109314790A (zh) * 2016-05-23 2019-02-05 佳稳电子有限公司 影像处理方法、利用其的影像解码及编码方法
US11647228B2 (en) * 2016-07-15 2023-05-09 Lg Electronics Inc. Method and apparatus for encoding and decoding video signal using transform domain prediction for prediction unit partition
CN116962726A (zh) 2016-09-20 2023-10-27 株式会社Kt 对视频进行解码和编码的方法和传输视频数据的方法
EP3306922A1 (fr) * 2016-10-05 2018-04-11 Thomson Licensing Procédé et dispositif de codage d'une image
CN109479144A (zh) * 2016-10-13 2019-03-15 富士通株式会社 图像编码/解码方法、装置以及图像处理设备
CN116347077A (zh) 2016-11-21 2023-06-27 松下电器（美国）知识产权公司 计算机可读介质
CN109983771A (zh) * 2016-11-21 2019-07-05 松下电器（美国）知识产权公司 编码装置、解码装置、编码方法及解码方法
EP3383045A1 (fr) * 2017-03-27 2018-10-03 Thomson Licensing Priorisation de multiples divisions pour un codage rapide
CN108668136A (zh) * 2017-03-28 2018-10-16 华为技术有限公司 图像编/解码方法、视频编/解码器及视频编解码系统
EP3606072A4 (fr) * 2017-03-31 2020-07-22 Panasonic Intellectual Property Corporation of America Dispositif de codage d'image, dispositif de décodage d'image, procédé de codage d'image, procédé de décodage d'image
EP3606078A4 (fr) 2017-07-04 2020-04-29 Samsung Electronics Co., Ltd. Procédé et appareil de décodage vidéo à l'aide d'une transformation multicoeur ainsi que procédé et appareil de codage de vidéo à l'aide d'une transformation multicoeur
US11044475B2 (en) 2017-07-17 2021-06-22 Industry-University Cooperation Foundation Hanyang University Method and apparatus for encoding/decoding image
EP3788784A1 (fr) * 2018-05-02 2021-03-10 InterDigital VC Holdings, Inc. Codage et décodage de vidéo
WO2020038311A1 (fr) 2018-08-22 2020-02-27 Mediatek Inc. Procédé et appareil de codage de coefficient de transformée
CN109688414B (zh) * 2018-12-19 2022-11-11 同济大学 一种vvc帧内编码单元候选预测模式缩减及块划分提前终止方法
CN111355951B (zh) * 2018-12-24 2023-11-10 华为技术有限公司 视频解码方法、装置及解码设备
EP3915264A4 (fr) 2019-01-31 2022-11-02 HFI Innovation Inc. Procédé et appareil de prédiction intra avancée pour des composantes chroma dans un codage vidéo
US20220103854A1 (en) * 2019-01-31 2022-03-31 Mediatek Inc. Method and Apparatus of Combined Inter and Intra Prediction for Video Coding
WO2020162737A1 (fr) * 2019-02-08 2020-08-13 주식회사 윌러스표준기술연구소 Procédé de traitement du signal vidéo et dispositif utilisant une transformée secondaire
KR20210122797A (ko) 2019-02-28 2021-10-12 주식회사 윌러스표준기술연구소 인트라 예측 기반 비디오 신호 처리 방법 및 장치
CN110392256B (zh) * 2019-03-09 2020-12-11 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、编码端、解码端和系统
CN111669579B (zh) * 2019-03-09 2022-09-16 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、编码端、解码端和系统
EP3912359A4 (fr) * 2019-03-11 2022-04-20 Huawei Technologies Co., Ltd. Codeur, décodeur et procédés correspondants limitant la taille de sous-partitions à partir d'un outil de mode de codage de sous-partition intra
CN110087087B (zh) * 2019-04-09 2023-05-12 同济大学 Vvc帧间编码单元预测模式提前决策及块划分提前终止方法
CN111988618B (zh) * 2019-05-22 2022-05-20 杭州海康威视数字技术股份有限公司 进行解码、编码的方法、解码端和编码端
CN116405697A (zh) * 2019-07-23 2023-07-07 杭州海康威视数字技术股份有限公司 一种编解码方法、装置及其设备
EP4017008B1 (fr) * 2019-09-21 2024-06-19 LG Electronics Inc. Codage d'image à base de transformée
CN117036832B (zh) * 2023-10-09 2024-01-05 之江实验室 一种基于随机多尺度分块的图像分类方法、装置及介质

Family Cites Families (99)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0322887A (ja) 1989-06-20 1991-01-31 Toshiba Corp 交流電動機の運転方法
US5241395A (en) * 1989-08-07 1993-08-31 Bell Communications Research, Inc. Adaptive transform coding using variable block size
JPH03220887A (ja) * 1990-01-25 1991-09-30 Fujitsu Ltd 動画像のフレーム選択予測符号化装置
JP3220887B2 (ja) 1993-08-19 2001-10-22 株式会社日立製作所 紙葉類取扱装置
US6571016B1 (en) * 1997-05-05 2003-05-27 Microsoft Corporation Intra compression of pixel blocks using predicted mean
JP2001016595A (ja) * 1999-04-30 2001-01-19 Fujitsu Ltd 動画像符号化装置および復号装置
JP3840020B2 (ja) * 1999-12-14 2006-11-01 株式会社東芝 動画像符号化装置
KR100377190B1 (ko) 1999-12-24 2003-03-26 한국전자통신연구원 블록별 생성 비트스트림 크기에 따른 채널 오류 발생가능성 예측에 의한 인트라 갱신 블록 결정 기법을 이용한 영상 부호화 방법
US6404814B1 (en) 2000-04-28 2002-06-11 Hewlett-Packard Company Transcoding method and transcoder for transcoding a predictively-coded object-based picture signal to a predictively-coded block-based picture signal
DE10022331A1 (de) * 2000-05-10 2001-11-15 Bosch Gmbh Robert Verfahren zur Transformationscodierung von Bewegtbildsequenzen
US7088780B2 (en) * 2001-05-11 2006-08-08 Mitsubishi Electric Research Labs, Inc. Video transcoder with drift compensation
US6907071B2 (en) * 2001-05-24 2005-06-14 Telefonaktiebolaget Lm Ericsson (Publ) Selective prediction for intra-coding video data block
US20020191695A1 (en) * 2001-06-07 2002-12-19 Irvine Ann Chris Interframe encoding method and apparatus
WO2003021971A1 (fr) * 2001-08-28 2003-03-13 Ntt Docomo, Inc. Systeme et procede de transmission/codage d'images en mouvement, appareil de codage et appareil de decodage, procedes de decodage et de codage et programme utilisable pour ces derniers
EP1351510A4 (fr) 2001-09-14 2008-12-10 Ntt Docomo Inc Procede de codage, procede de decodage, appareil de codage, appareil de decodage, systeme de traitement d'image, programme de codage, et programme de decodage
CN101360239B (zh) * 2001-09-14 2010-10-27 株式会社Ntt都科摩 编码方法、译码方法、编码装置、译码装置、图象处理系统
JP4580902B2 (ja) * 2002-07-11 2010-11-17 パナソニック株式会社 フィルタリング強度の決定方法、動画像符号化方法、および動画像復号化方法
US6975773B1 (en) 2002-07-30 2005-12-13 Qualcomm, Incorporated Parameter selection in data compression and decompression
WO2004030369A1 (fr) 2002-09-27 2004-04-08 Videosoft, Inc. Codage et decodage video en temps reel
EP1582063B1 (fr) * 2003-01-07 2018-03-07 Thomson Licensing DTV Intercodage/intracodage vidéo mélange de partitions de macroblocs
KR20050098251A (ko) * 2003-01-20 2005-10-11 코닌클리케 필립스 일렉트로닉스 엔.브이. 비디오 코딩
KR100828353B1 (ko) 2003-02-05 2008-05-08 삼성전자주식회사 영상 블록 분할 방법 및 그 장치
US7657111B2 (en) * 2003-02-14 2010-02-02 Fujifilm Corporation Apparatus and program for image processing for obtaining processed compressed moving image data
HUP0301368A3 (en) * 2003-05-20 2005-09-28 Amt Advanced Multimedia Techno Method and equipment for compressing motion picture data
US8107535B2 (en) * 2003-06-10 2012-01-31 Rensselaer Polytechnic Institute (Rpi) Method and apparatus for scalable motion vector coding
US8085845B2 (en) * 2003-08-26 2011-12-27 Thomson Licensing Method and apparatus for encoding hybrid intra-inter coded blocks
US8085844B2 (en) * 2003-09-07 2011-12-27 Microsoft Corporation Signaling reference frame distances
JP2005123732A (ja) 2003-10-14 2005-05-12 Matsushita Electric Ind Co Ltd デブロックフィルタ処理装置およびデブロックフィルタ処理方法
CN2659351Y (zh) * 2003-11-16 2004-12-01 崔呢喃 一种改进的宫颈钳
US7362809B2 (en) * 2003-12-10 2008-04-22 Lsi Logic Corporation Computational reduction in motion estimation based on lower bound of cost function
US7889792B2 (en) * 2003-12-24 2011-02-15 Apple Inc. Method and system for video encoding using a variable number of B frames
JP4594688B2 (ja) * 2004-06-29 2010-12-08 オリンパス株式会社 画像符号化処理方法、画像復号化処理方法、動画圧縮処理方法、動画伸張処理方法、画像符号化処理プログラム、画像符号化装置、画像復号化装置、画像符号化／復号化システム、拡張画像圧縮伸張処理システム
KR100631714B1 (ko) 2004-06-30 2006-10-09 엘지전자 주식회사 휴대단말기의 개선된 영상신호 레이트 콘트롤 장치 및 방법
JP2006020095A (ja) * 2004-07-01 2006-01-19 Sharp Corp 動きベクトル検出回路、画像符号化回路、動きベクトル検出方法および画像符号化方法
US8085846B2 (en) * 2004-08-24 2011-12-27 Thomson Licensing Method and apparatus for decoding hybrid intra-inter coded blocks
JP4877449B2 (ja) * 2004-11-04 2012-02-15 カシオ計算機株式会社 動画像符号化装置および動画像符号化処理プログラム
KR100679031B1 (ko) 2004-12-03 2007-02-05 삼성전자주식회사 다 계층 기반의 비디오 인코딩 방법, 디코딩 방법 및 상기방법을 이용한 장치
KR100679035B1 (ko) 2005-01-04 2007-02-06 삼성전자주식회사 인트라 ｂｌ 모드를 고려한 디블록 필터링 방법, 및 상기방법을 이용하는 다 계층 비디오 인코더/디코더
FR2881898A1 (fr) * 2005-02-10 2006-08-11 Thomson Licensing Sa Procede et dispositif de codage d'une image video en mode inter ou intra
US7617436B2 (en) * 2005-08-02 2009-11-10 Nokia Corporation Method, device, and system for forward channel error recovery in video sequence transmission over packet-based network
KR100727969B1 (ko) * 2005-08-27 2007-06-14 삼성전자주식회사 영상의 부호화 및 복호화 장치와, 그 방법, 및 이를수행하기 위한 프로그램이 기록된 기록 매체
US7916960B2 (en) * 2005-09-06 2011-03-29 Megachips Corporation Compression encoder, compression encoding method and program
EP2720467B1 (fr) * 2005-09-26 2017-03-29 Mitsubishi Electric Corporation Appareil de décodage d'image en mouvement
US8681867B2 (en) * 2005-10-18 2014-03-25 Qualcomm Incorporated Selective deblock filtering techniques for video coding based on motion compensation resulting in a coded block pattern value
AU2006320064B2 (en) 2005-11-30 2010-09-09 Kabushiki Kaisha Toshiba Image encoding/image decoding method and image encoding/image decoding apparatus
KR100772870B1 (ko) * 2005-12-12 2007-11-02 삼성전자주식회사 Ｆｇｓ 계층의 블록에 포함되는 계수의 특성에 따라 비디오신호를 부호화하고 복호화하는 방법 및 장치
US7843995B2 (en) * 2005-12-19 2010-11-30 Seiko Epson Corporation Temporal and spatial analysis of a video macroblock
JP2009060153A (ja) * 2005-12-21 2009-03-19 Panasonic Corp 面内予測モード決定方法及び装置及びプログラム
EP1977607A4 (fr) * 2006-01-09 2014-12-17 Lg Electronics Inc Procédé de prédiction intercouche pour signal vidéo
JP2007201558A (ja) * 2006-01-23 2007-08-09 Matsushita Electric Ind Co Ltd 動画像符号化装置および動画像符号化方法
US7804900B2 (en) 2006-02-23 2010-09-28 Industrial Technology Research Institute Method for fast SATD estimation
US8000390B2 (en) * 2006-04-28 2011-08-16 Sharp Laboratories Of America, Inc. Methods and systems for efficient prediction-mode selection
KR100809298B1 (ko) * 2006-06-22 2008-03-04 삼성전자주식회사 플래그 인코딩 방법, 플래그 디코딩 방법, 및 상기 방법을이용한 장치
JP2008005197A (ja) * 2006-06-22 2008-01-10 Toshiba Corp デコード装置およびデコード方法
US8126046B2 (en) * 2006-06-30 2012-02-28 Intel Corporation Flexible macroblock ordering and arbitrary slice ordering apparatus, system, and method
JP4724061B2 (ja) 2006-07-06 2011-07-13 株式会社東芝 動画像符号化装置
JP4747975B2 (ja) 2006-07-14 2011-08-17 ソニー株式会社 画像処理装置および方法、プログラム、並びに、記録媒体
CN101502124B (zh) * 2006-07-28 2011-02-23 株式会社东芝 图像编码和解码的方法以及装置
EP2052359A4 (fr) 2006-08-14 2012-09-05 Apple Inc Création d'une communauté virtuelle
CN101507280B (zh) * 2006-08-25 2012-12-26 汤姆逊许可公司 用于降低分辨率划分的方法和装置
KR101351730B1 (ko) * 2006-08-28 2014-01-16 톰슨 라이센싱 디코딩된 비디오 블록에서 예상 왜곡을 결정하기 위한 방법및 장치
WO2008042127A2 (fr) * 2006-09-29 2008-04-10 Thomson Licensing Intra-prédiction géométrique
US7991236B2 (en) * 2006-10-16 2011-08-02 Nokia Corporation Discardable lower layer adaptations in scalable video coding
US20080126278A1 (en) * 2006-11-29 2008-05-29 Alexander Bronstein Parallel processing motion estimation for H.264 video codec
US8582666B2 (en) * 2006-12-18 2013-11-12 Koninklijke Philips N.V. Image compression and decompression
US8102913B2 (en) * 2006-12-22 2012-01-24 Sony Corporation DCT/Q/IQ/IDCT bypass algorithm in MPEG to AVC/H.264 transcoding
US8331448B2 (en) * 2006-12-22 2012-12-11 Qualcomm Incorporated Systems and methods for efficient spatial intra predictabilty determination (or assessment)
KR101365570B1 (ko) 2007-01-18 2014-02-21 삼성전자주식회사 인트라 예측 부호화, 복호화 방법 및 장치
JP4901772B2 (ja) 2007-02-09 2012-03-21 パナソニック株式会社 動画像符号化方法及び動画像符号化装置
WO2008126135A1 (fr) * 2007-03-20 2008-10-23 Fujitsu Limited Procédé et dispositif de codage d'image variant dans le temps, et dispositif de décodage d'image variant dans le temps
US8498335B2 (en) * 2007-03-26 2013-07-30 Microsoft Corporation Adaptive deadzone size adjustment in quantization
WO2008120434A1 (fr) * 2007-03-28 2008-10-09 Panasonic Corporation Circuit de décodage, procédé de décodage, circuit de codage et procédé de codage
US8442337B2 (en) * 2007-04-18 2013-05-14 Microsoft Corporation Encoding adjustments for animation content
EP2177033A2 (fr) * 2007-06-12 2010-04-21 Nokia Corporation Codage conjoint de multiples blocs de transformée avec un nombre réduit de coefficients
US8331444B2 (en) * 2007-06-26 2012-12-11 Qualcomm Incorporated Sub-band scanning techniques for entropy coding of sub-bands
US20090026881A1 (en) 2007-07-26 2009-01-29 Hakan Erturk Piezoelectric fan, method of cooling a microelectronic device using same, and system containing same
WO2009077073A1 (fr) * 2007-11-28 2009-06-25 Honda Research Institute Europe Gmbh Système cognitif artificiel à dynamique du type amari d'un champ neuronal
KR100951301B1 (ko) 2007-12-17 2010-04-02 한국과학기술원 비디오 부호화에서의 화면간/화면내 예측 부호화 방법
KR100952340B1 (ko) * 2008-01-24 2010-04-09 에스케이 텔레콤주식회사 시공간적 복잡도를 이용한 부호화 모드 결정 방법 및 장치
US8798137B2 (en) * 2008-02-29 2014-08-05 City University Of Hong Kong Bit rate estimation in data or video compression
US8208532B2 (en) * 2008-03-31 2012-06-26 Oracle America, Inc. Method and apparatus for data compression and decompression
US8311112B2 (en) * 2008-12-31 2012-11-13 Entropic Communications, Inc. System and method for video compression using predictive coding
KR101394536B1 (ko) * 2009-02-13 2014-05-15 블랙베리 리미티드 이미지 처리에서 픽셀-도메인 왜곡 분포의 균형이 맞춰진 적응적 양자화
WO2010091505A1 (fr) * 2009-02-13 2010-08-19 Research In Motion Limited Codage entropique modifié pour images et vidéos
US8311109B2 (en) * 2009-02-13 2012-11-13 Research In Motion Limited In-loop deblocking for intra-coded images or frames
KR20100095992A (ko) * 2009-02-23 2010-09-01 한국과학기술원 비디오 부호화에서의 분할 블록 부호화 방법, 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
US9560350B2 (en) 2009-03-31 2017-01-31 Texas Instruments Incorporated Intra/inter mode decision for predictive frame encoding
KR20110017719A (ko) 2009-08-14 2011-02-22 삼성전자주식회사 비디오 부호화 방법 및 장치, 비디오 복호화 방법 및 장치
KR101302660B1 (ko) * 2009-09-14 2013-09-03 에스케이텔레콤 주식회사 고해상도 동영상의 부호화/복호화 방법 및 장치
US9549190B2 (en) * 2009-10-01 2017-01-17 Sk Telecom Co., Ltd. Method and apparatus for encoding/decoding image using variable-size macroblocks
CN104661026B (zh) 2009-10-21 2018-03-27 Sk电信有限公司 图像编码和解码装置和方法
US20110116545A1 (en) * 2009-11-17 2011-05-19 Jinwen Zan Methods and devices for in-loop video deblocking
KR101379188B1 (ko) * 2010-05-17 2014-04-18 에스케이 텔레콤주식회사 인트라 블록 및 인터 블록이 혼합된 코딩블록을 이용하는 영상 부호화/복호화 장치 및 그 방법
US9621916B2 (en) * 2010-12-14 2017-04-11 M&K Holdings Inc. Apparatus for encoding a moving picture
US8929455B2 (en) 2011-07-01 2015-01-06 Mitsubishi Electric Research Laboratories, Inc. Method for selecting transform types from mapping table for prediction modes
US10171819B2 (en) 2015-08-03 2019-01-01 Arris Enterprises Llc Intra prediction mode selection in video coding
JP2017113145A (ja) * 2015-12-22 2017-06-29 オリンパス株式会社 超音波観測装置、超音波観測装置の作動方法および超音波観測装置の作動プログラム
JP2017113142A (ja) * 2015-12-22 2017-06-29 修二 土佐 鼻出血止血具
JP2021183506A (ja) 2020-05-22 2021-12-02 日本ストロー株式会社 飲食物収容容器用蓋及び飲食物収容容器

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10244233B2 (en) 2010-09-30 2019-03-26 Mitsubishi Electric Corporation Moving image encoding device, moving image decoding device, moving image coding method, and moving image decoding method
US10291939B2 (en) 2010-09-30 2019-05-14 Mitsubishi Electric Corporation Moving image encoding device, moving image decoding device, moving image coding method, and moving image decoding method
US10237551B2 (en) 2010-09-30 2019-03-19 Mitsubishi Electric Corporation Moving image encoding device, moving image decoding device, moving image coding method, and moving image decoding method
US10237550B2 (en) 2010-09-30 2019-03-19 Mitsubishi Electric Corporation Moving image encoding device, moving image decoding device, moving image coding method, and moving image decoding method
US10477210B2 (en) 2012-10-01 2019-11-12 Ge Video Compression, Llc Scalable video coding using inter-layer prediction contribution to enhancement layer prediction
US11477467B2 (en) 2012-10-01 2022-10-18 Ge Video Compression, Llc Scalable video coding using derivation of subblock subdivision for prediction from base layer
US12010334B2 (en) 2012-10-01 2024-06-11 Ge Video Compression, Llc Scalable video coding using base-layer hints for enhancement layer motion parameters
US11589062B2 (en) 2012-10-01 2023-02-21 Ge Video Compression, Llc Scalable video coding using subblock-based coding of transform coefficient blocks in the enhancement layer
US11575921B2 (en) 2012-10-01 2023-02-07 Ge Video Compression, Llc Scalable video coding using inter-layer prediction of spatial intra prediction parameters
US10681348B2 (en) 2012-10-01 2020-06-09 Ge Video Compression, Llc Scalable video coding using inter-layer prediction of spatial intra prediction parameters
US10687059B2 (en) 2012-10-01 2020-06-16 Ge Video Compression, Llc Scalable video coding using subblock-based coding of transform coefficient blocks in the enhancement layer
US10694183B2 (en) 2012-10-01 2020-06-23 Ge Video Compression, Llc Scalable video coding using derivation of subblock subdivision for prediction from base layer
US10694182B2 (en) 2012-10-01 2020-06-23 Ge Video Compression, Llc Scalable video coding using base-layer hints for enhancement layer motion parameters
US11134255B2 (en) 2012-10-01 2021-09-28 Ge Video Compression, Llc Scalable video coding using inter-layer prediction contribution to enhancement layer prediction
EP3429203A3 (fr) * 2012-10-01 2019-04-17 GE Video Compression, LLC Codage vidéo échellonable utilisant le codage à base de sous-blocs de blocs de coefficient de transformée dans la couche d'amélioration
US20170310973A1 (en) * 2016-04-26 2017-10-26 Google Inc. Hybrid prediction modes for video coding
US10404989B2 (en) * 2016-04-26 2019-09-03 Google Llc Hybrid prediction modes for video coding
WO2017189048A1 (fr) * 2016-04-26 2017-11-02 Google Inc. Modes de prédiction hybrides pour un codage vidéo

Also Published As

Publication number Publication date
US20210329307A1 (en) 2021-10-21
JP2017184273A (ja) 2017-10-05
US9888259B2 (en) 2018-02-06
EP3823281A1 (fr) 2021-05-19
US9485512B2 (en) 2016-11-01
JP2024045615A (ja) 2024-04-02
US20160381357A1 (en) 2016-12-29
US9838720B2 (en) 2017-12-05
JP2015136150A (ja) 2015-07-27
US20160381359A1 (en) 2016-12-29
CN102369733B (zh) 2016-06-22
EP2400763A4 (fr) 2015-12-16
JP2012518940A (ja) 2012-08-16
JP6851264B2 (ja) 2021-03-31
JP6851263B2 (ja) 2021-03-31
US20160381358A1 (en) 2016-12-29
CN105959689A (zh) 2016-09-21
CN105959691A (zh) 2016-09-21
WO2010095915A3 (fr) 2010-11-25
JP6164600B2 (ja) 2017-07-19
WO2010095915A2 (fr) 2010-08-26
US20120128070A1 (en) 2012-05-24
US10462494B2 (en) 2019-10-29
US9838721B2 (en) 2017-12-05
US20160381360A1 (en) 2016-12-29
CN105959690A (zh) 2016-09-21
CN105959692B (zh) 2019-02-26
US11076175B2 (en) 2021-07-27
JP2017201793A (ja) 2017-11-09
CN105959689B (zh) 2019-03-01
JP2022033107A (ja) 2022-02-28
CN102369733A (zh) 2012-03-07
JP2017184274A (ja) 2017-10-05
CN106101705A (zh) 2016-11-09
JP6164660B2 (ja) 2017-07-19
US20180124432A1 (en) 2018-05-03
JP2022033108A (ja) 2022-02-28
US9838719B2 (en) 2017-12-05
JP2020127227A (ja) 2020-08-20
JP7171646B2 (ja) 2022-11-15
CN105959692A (zh) 2016-09-21
US20170013281A1 (en) 2017-01-12
JP6851265B2 (ja) 2021-03-31
JP6846988B2 (ja) 2021-03-24
CN106101705B (zh) 2019-11-12
KR20100095992A (ko) 2010-09-01
US9838722B2 (en) 2017-12-05
JP2017201792A (ja) 2017-11-09
US11659210B2 (en) 2023-05-23
CN105959691B (zh) 2019-02-22
CN105959690B (zh) 2019-02-22
US20200014957A1 (en) 2020-01-09
US20230247229A1 (en) 2023-08-03

Similar Documents

Publication Publication Date Title
US11659210B2 (en) Video encoding method for encoding division block, video decoding method for decoding division block, and recording medium for implementing the same
KR102575827B1 (ko) 비디오 코딩에서 분할 블록의 부호화 방법
KR102062894B1 (ko) 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
KR101648123B1 (ko) 비디오 부호화에서의 분할 블록 부호화 방법, 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
KR20150021981A (ko) 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
KR101644967B1 (ko) 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
KR101644970B1 (ko) 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
KR102258057B1 (ko) 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체
KR101785431B1 (ko) 비디오 복호화에서의 분할 블록 복호화 방법 및 이를 구현하는 기록매체

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20110923

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

DAX Request for extension of the european patent (deleted)
RIN1 Information on inventor provided before grant (corrected)

Inventor name: HAHM, SANG JIN

Inventor name: CHO, IN JOON

Inventor name: KIM, JAE IL

Inventor name: PARK, CHANG SEOB

Inventor name: LEE, BUM SHIK

Inventor name: KIM, MUN CHURL

RIN1 Information on inventor provided before grant (corrected)

Inventor name: PARK, CHANG SEOB

Inventor name: HAHM, SANG JIN

Inventor name: CHO, IN JOON

Inventor name: KIM, JAE IL

Inventor name: KIM, MUN CHURL

Inventor name: KIM, BYUNG SUN

Inventor name: LEE, BUM SHIK

Inventor name: LEE, KEUN SIK

A4 Supplementary search report drawn up and despatched

Effective date: 20151113

RIC1 Information provided on ipc code assigned before grant

Ipc: H04N 19/176 20140101AFI20151109BHEP

Ipc: H04N 19/103 20140101ALI20151109BHEP

Ipc: H04N 19/61 20140101ALI20151109BHEP

Ipc: H04N 19/14 20140101ALI20151109BHEP

Ipc: H04N 19/122 20140101ALI20151109BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

17Q First examination report despatched

Effective date: 20180525

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

APBK Appeal reference recorded

Free format text: ORIGINAL CODE: EPIDOSNREFNE

APBN Date of receipt of notice of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA2E

APBR Date of receipt of statement of grounds of appeal recorded

Free format text: ORIGINAL CODE: EPIDOSNNOA3E

APAF Appeal reference modified

Free format text: ORIGINAL CODE: EPIDOSCREFNE

APBT Appeal procedure closed

Free format text: ORIGINAL CODE: EPIDOSNNOA9E